Home / 57,385.08-79,178.43-34,723.50

Finding the Fourth Proportional to 57,385.08, 79,178.43 and 34,723.50

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Solution

The fourth proportional to 57,385.08, 79,178.43 and 34,723.50 is: 47,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,385.08 : 79,178.43 = 34,723.50 : x
  2. Step 2: Convert to fraction form
    57,385.08/79,178.43 = 34,723.50/x
  3. Step 3: Cross multiply
    57,385.08x = 79,178.43 × 34,723.50
  4. Step 4: Simplify right side
    57,385.08x = 2,749,351,731.40
  5. Step 5: Solve for x
    x = 2,749,351,731.40/57,385.08
  6. Step 6: Final answer
    x = 47,910.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.